Spodumene and Scheelite Physical Properties

Spodumene

Scheelite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.15-3.215.9-6.3

1 7.18

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Fracture

Uneven, Subconchoidal

Conchoidal, Uneven

Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

Mohs Hardness

6-74.5-5

2 10

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Chemical Composition

LiAlSi₂O₆

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Spodumene and Scheelite Chemical Formula

While comparing Spodumene and Scheelite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Spodumene and Scheelite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spodumene and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.